Legal analysis: First, if you think the cooking fume in the catering industry is too big, you can complain to the environmental protection department.

second, you can complain to the health department that they have health problems, and ask the relevant departments to check whether they have access certificates for the catering industry and health certificates for employees.

thirdly, if there is any problem of occupying the road, you can complain to the urban management department.

legal basis: article 6 of the law on the prevention and control of environmental noise pollution, the competent department of ecological environment of the State Council shall exercise unified supervision and management over the prevention and control of environmental noise pollution throughout the country.

the competent departments of ecological environment of local people's governments at or above the county level shall exercise unified supervision and management over the prevention and control of environmental noise pollution within their respective administrative areas.

competent departments of public security, transportation, railways, civil aviation and harbour superintendency agencies at all levels shall, according to their respective responsibilities, supervise and manage the prevention and control of noise pollution in transportation and social life.

article 39 of the law of the people's Republic of China on the protection of consumers' rights and interests. if a consumer and a business operator have a dispute over consumers' rights and interests, they can solve it through the following channels:

(1) negotiate and settle with the business operator;

(2) requesting consumers' associations or other mediation organizations established according to law to mediate;

(3) complain to the relevant administrative department;

(4) submit it to an arbitration institution for arbitration according to the arbitration agreement reached with the operator;

(5) bring a lawsuit to the people's court.